Sodium hydrosulfite CAS: 7775-14-6
Min.Order / FOB Price:Get Latest Price
| 5 Metric Ton |
FOB Price:USD 1.0000 -2.0000 |
- Min.Order :5 Metric Ton
- Purity: 90%
- Payment Terms : L/C,T/T
Keywords
Sodium hydrosulfite Sodium dithionite 7775-14-6
Quick Details
- Appearance:White powder
- Application:decolorizer, used as decolorizer
- PackAge:25kg /carton or 25kg/drum
- ProductionCapacity:2500|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
| CAS No.: | 7775-14-6 |
| EINECS RN: | 231-890-0 |
| Molecular Formula: | Na2S2O4 |
| Molecular Weight: | 174.1 |
| Properties: |
Appearance: white crystalline powder. Relative density: 2.3~2.4 Solubility: easily soluble in water, insoluble in alcohols. |
| Use: | Mainly Use:d as reducing agent, bleaching agent for paper pulp, oil etc. |
Details:
|
|
90% GRADE |
88% GRADE |
85% GRADE |
Food additive GRADE |
|
Na2S2O4 |
≥90% |
≥88% |
≥85% |
≥85% |
|
Water insolubles |
≤0.05% |
≤0.05% |
≤0.05% |
|
|
Iron (Fe) |
≤20ppm |
≤20ppm |
≤20ppm |
≤20ppm |
|
Appearance of Aqueous solution |
|
|
|
clear |
|
Zinc (Zn) |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Arsenic(As) |
|
|
|
≤1ppm |
|
Other heavy metals (as Pb) |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Format(as HCHO) |
|
|
|
≤0.05% |
|
Shelf life(months) |
12 |
12 |
12 |
12 |
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